The MW-Mile method is an embedded cost pricing method, which is widely used to determine transmission pricing. The method is formulated based on the distance and active power flow in each line of the transmission network. This method may be considered as the first pricing strategy proposed for recovering the fixed transmission cost, based on the actual use of the transmission network. However, this method suffers from the provision of unfair charges to the users, since it ignores the quality of the load in allocating the transmission cost. This paper proposes an improved MW-Mile method by considering not only the changes in MW flows but also the quality of the load, i.e., the power factor. In this study, the IEEE 14-bus system was used to illustrate the contribution of the proposed method in allocating transmission cost to the user in a fair manner.Index Terms-MW-Mile method, power factor, transmission pricing.
Micro-Hydro Power Plant (MHPP) is one of popular renewable based power plants that appropriate to be installed in developing countries such as Indonesia due to its stability, efficient operation and economic point of view. Frequency stability of power plant systems refers to the ability of generator to maintain the steady frequency during and post faults and rapid dynamic load. In order to keep the stability of power system frequency from fluctuations, generating units change their power output automatically according to the change of the system frequency or load through balancing of the active power with the loads. To keep the stability frequency on MHPP, active power fast control is employed in this study and all the system of MHPP and the frequency control are carried out and simulated extensively using MATLAB/Simulink. With the active power control through fast valving mechanism using HSVC method, duration of stability frequency response is faster compared to the system without fast control.
-The industry has rapidly growth and energy supply technology advanced are become main factor which to contribute of the harmonic losses. This problem is one aspect that may affect the capability of the transmission line and also to the efficiency of electricity. This paper proposes a new scheme to allocate the cost pertaining to transmission loss due to harmonics. The proposed method, called as Generalized Harmonic Distribution Factor, uses the principle of proportional sharing method to allocate the losses among the transmission users especially for industry consumers. The IEEE 14-and 30 bus test system is used to compare the proposed method with existing method. The results showed that the proposed method provided a scheme better in allocating the cost of transmission loss, which could encourage the users to minimize the losses.
In the last decades, the contribution of thermal power plants to CO 2 emissions is a crucial issue, especially those fueled by coal. This is the reason commitments to CO 2 gas reduction are consistently being pursued through the implementation of methods and technologies to improve thermal power plant efficiency. Various research has been conducted with regard to controlling CO 2 emissions and related recommendations to curb the utilization of coal as fuel in power generation include, strengthening the supervision and regulation of air pollution with the clean air act program and the implementation of penalty against the companies this is in the form of a tariff based on the excess emissions produced.
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